Reference number
ISO 5399:1984
ISO 5399:1984
© ISO 2024
ISO 5399:1984
Leather — Determination of water-soluble magnesium salts — EDTA titrimetric method
Edition 1
1984-02
1984-02
Withdrawn
Abstract
Principle: Aqueous extraction of a test portion, followed by the evaporation and drying at 102 +/-2 degrees centigrade, and sulfating and ashing of the residue at 800 degrees centigrade, to yield the water-soluble inorganic matter. Treatment of the residue with hydrochloric acid, and titration with standard volumetric disodium ethylenedinitrilotetraacetate solution.